The U.K. Serious Fraud Office announced on Friday the sentencings of a number of executives in the probe of a logistics firm now in liquidation.

The investigation centered on bribes and illicit payments that were alleged to have been made by F.H. Bertling Ltd. to secure contracts in Angola and in the North Sea.

The company and six of its former directors pleaded guilty in the Angola case. In the North Sea probe, one person was convicted at trial, three were acquitted and three others pleaded guilty.

F.H. Bertling was the U.K. arm of Hamburg, Germany-based Bertling Group. The company’s U.K operations were closed in light of the SFO probe. The parent company didn’t immediately respond to a message seeking comment.

The sentencings announced Friday will be suspended for two years, the SFO said.

Colin Bagwell, the former F.H. Bertling chief commercial officer, was convicted in an overcharging scheme. He received a nine-month sentence after being convicted at trial. He was ordered to pay a £5,000 ($6,426) fine.

Christopher Lane, who worked as an agent in the North Sea project operated by
ConocoPhillips,
admitted to his role in the overcharging scheme. He received a six-month prison sentence and is subject to a 28-day curfew order. The company wasn’t charged.

Guiseppe Morreale and Stephen Emler, two former F.H. Bertling directors who pleaded guilty to conspiracy to make corrupt payments in the North Sea case, received sentences of 15 months and a year, respectively. For their roles in the Angola case, they each received additional prison sentences, which are to be served concurrently. Mr. Morreale also received a £20,000 fine. Mr. Emler was also ordered to pay £15,000.

Corrections & Amplifications Christopher Lane worked as an agent in the North Sea project operated by ConocoPhillips. A earlier version of this article incorrectly said, based on information from the U.K. Serious Fraud Office, that he was an employee of ConocoPhillips Co. (01/15/19)

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